USB Port Locking Assembly for Secure Plug Retention
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Solution Overview
Problem
Existing USB ports and plugs are susceptible to accidental or intentional removal, leading to operational disruptions and theft, with existing security solutions being bulky, cumbersome, or requiring design changes to the plug or device.
Innovation Solution
A locking assembly with clamping members engages with the receptacle of the USB port to prevent release of the connector, using a clamping module and fastener to secure the plug within the device's envelope, requiring specialized knowledge and tools for release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking assembly is added to prevent accidental or intentional removal of USB plugs, then security and reliability are improved, but device complexity increases
Solution Approach 1:
The locking assembly is nested within the USB receptacle structure, with clamping members that fold around the connector and a fastener that integrates into the receptacle housing. This nesting approach provides security functionality without adding external bulky components, thereby improving reliability while minimizing the increase in device complexity.
Solution Approach 2:
The locking assembly is divided into separate functional segments: clamping members for securing the connector, a fastener for actuating the lock, and engagement features that interface with the USB receptacle. This segmentation allows each component to perform its specific function efficiently and enables modular manufacturing and assembly, improving security while managing device complexity.
2Reliability
If existing security solutions are implemented to prevent theft and accidental removal, then reliability is improved, but ease of operation deteriorates due to bulky and cumbersome mechanisms
Solution Approach 1:
The clamping members are designed to be movable, transitioning between open and closed positions to accommodate connector insertion and removal. The fastener provides dynamic actuation capability, allowing users to easily engage and disengage the locking mechanism. This dynamic design maintains ease of operation while providing reliable security against accidental or intentional removal.
3Reliability
If a locking mechanism is integrated into the USB port to prevent removal, then security is improved, but volume of the device increases due to additional components
Solution Approach 1:
The locking assembly components are nested within the existing USB receptacle volume. The clamping members fold around the connector when engaged, and the fastener integrates into the receptacle housing structure. This nesting strategy provides effective security functionality while occupying minimal additional space, thereby improving reliability without significantly increasing device volume.
4Reliability
If a clamping module with engagement members is used to secure the connector, then reliability is improved, but device complexity increases
Solution Approach 1:
The engagement members are positioned at specific locations on the clamping members that correspond to features on the USB connector. This localized engagement approach provides secure locking at critical points without requiring complex mechanisms throughout the entire assembly. The fastener actuates the clamping members in a coordinated manner, achieving reliable security while managing device complexity through targeted engagement rather than comprehensive complexity.
Data Source
AI summary
Electronic port includes a receptacle and a locking assembly having a clamping module and a fastener. The receptacle includes first, and second retainer members being configured to releasably hold a connector of an electronic plug. The clamping module includes a first clamp member having first engagement members, and a second clamp member movably coupled to the first clamp member and having second engagement members, the first and second engagement members are aligned with the first and second retainer members. The fastener is movably coupled to the clamping module to transition the clamping module between fastened and unfastened states by moving the first and/or second clamp members relative to the receptacle. In the unfastened state, the first and second retainer members are allowed to release the connector, and in the fastened state, the first and second engagement members engage the first and second retainer members and prevent from releasing the connector.